|
请看附件EN60065的OSM决议(附件是WORD版本,内容跟下面的一样)。3 P- P$ z; |6 u8 Z1 P3 u
USB端口如果没有标明5V0.5A的话,在正常和异常测试的时候都要带最大载来测试,这样,正常测试时候的温升很容易超。大家都懂的。。。
7 i; T; I$ F1 r* a. S2 u* y
' e, n- c5 `: \3 u0 i2 I# n2 h$ AOSM/EE DECISION) N% l# K# N L1 \5 u6 C0 E- j! [
8 \2 U0 P- G( l. S- d
9 J# g4 l# e; I9 L9 F0 C6 L% ` h- V, v6 j6 t, M. B
Standard:
8 n) E" a" K) ^ mEN 60065: 2002 + A1 + A11 Sub clause:
4 T# V- ^, L& L* j4.2.6 Sheet No.: . F7 Y" i5 d* J& b2 j/ G: e4 ~( ~
Decision 09/02
! N5 b) h' J h1 o2 |0 SPage 1 of 1
3 U$ @4 [, \& PSubject: ! x9 d% k& ~! ]. `8 x& F6 m
USB Current$ w; Z) q! m1 a5 {
Key words:
Y. P; U5 C# }* lUSB
7 E' ?3 m- c+ ]: U# z: Z7 ?: z
) {( Y% M, Q pNormal Operating Conditions Meeting:
" `0 B, m# i* Q3 o y, H* KOSM/EE - 2009
; _ \/ [2 z- D; G/ D. i3 J' w) |5 |0 N' H# c
Item No. 8.33 S- x5 ], I, f' w: K% ]* R6 d5 V
$ Y! D. c" V2 a7 x, Q X( ?Question:
) N+ [% o2 F, P% H: a; ^* g# N) N& {7 f7 p7 j
If a product falling in the scope of EN 60065 is fitted with USB sockets, should a current be drawn from these sockets when performing the normal operating conditions heating test? If so, what current loading should be used?
4 n# B; s; V" G( U- E
7 z5 C" U' V. w2 j+ U p4 q% s% G2 JDecision:
6 Q; M. h" b$ r& W2 y3 W
- C0 D0 u) I6 N8 `- n; gThe USB sockets shall be loaded with the maximum possible output power.# ]* `" o5 j& l: F
Explanatory notes: 4 d2 P/ c, B+ I5 x, ]; n0 \5 D5 v
, ]) ?0 M+ e2 y( @6 |$ i/ P- u; e( m% O/ p" E8 @9 W" ]! p
$ u0 L6 B! F$ P1 g6 M- M/ i
1 j; g1 U* s; p+ a |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有账号?注册安规
x
|